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<?php
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/**
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* User: delboy1978uk
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* Date: 13/11/2016
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* Time: 13:26
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*/
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namespace Del\Common\Value;
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use InvalidArgumentException;
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class StringValue extends AbstractValue
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{
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/** @var bool $stringable */
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private $stringable;
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/**
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* StringValue constructor.
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*
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* @param string $value
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*/
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public function __construct($value)
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{
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if(!$this->canBeString($value)) {
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throw new InvalidArgumentException('You must supply a value.');
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}
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$this->value = (string) $value;
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}
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/**
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* @return string
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*/
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public function getValue()
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{
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return parent::getValue();
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}
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/**
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* @param $value
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* @return bool
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*/
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private function canBeString($value)
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{
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$this->stringable = false;
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$this->isStringableObject($value);
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$this->isNullValue($value);
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$this->isScalarValue($value);
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return $this->stringable;
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}
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/**
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* @param $value
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*/
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private function isStringableObject($value)
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{
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$bool = is_object($value) && method_exists($value, '__toString');
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$this->updateStringable($bool);
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}
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/**
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* @param $value
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*/
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private function isNullValue($value)
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{
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$bool = is_null($value);
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$this->updateStringable($bool);
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}
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/**
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* @param $value
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*/
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private function isScalarValue($value)
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{
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$bool = is_scalar($value);
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$this->updateStringable($bool);
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}
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/**
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* @param $bool
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*/
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private function updateStringable($bool)
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{
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if ($this->stringable === false) {
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$this->stringable = $bool;
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}
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}
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} |
delboy1978uk /
common
